Commit 39e30cd1 authored Apr 01, 2013 by Namhyung Kim Committed by Steven Rostedt Apr 09, 2013

tracing: Fix off-by-one on allocating stat->pages

The first page was allocated separately, so no need to start from 0.

Link: http://lkml.kernel.org/r/1364820385-32027-2-git-send-email-namhyung@kernel.org



Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: stable@vger.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

parent 9607a869

kernel/trace/ftrace.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -676,7 +676,7 @@ int ftrace_profile_pages_init(struct ftrace_profile_stat *stat)

	pages = DIV_ROUND_UP(functions, PROFILES_PER_PAGE);		pages = DIV_ROUND_UP(functions, PROFILES_PER_PAGE);

	for (i = 0; i < pages; i++) {		for (i = 1; i < pages; i++) {
	pg->next = (void *)get_zeroed_page(GFP_KERNEL);		pg->next = (void *)get_zeroed_page(GFP_KERNEL);
	if (!pg->next)		if (!pg->next)
	goto out_free;		goto out_free;